Home / 26,354.16-36,365.76-15,739.92

Finding the Fourth Proportional to 26,354.16, 36,365.76 and 15,739.92

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Solution

The fourth proportional to 26,354.16, 36,365.76 and 15,739.92 is: 21,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,354.16 : 36,365.76 = 15,739.92 : x
  2. Step 2: Convert to fraction form
    26,354.16/36,365.76 = 15,739.92/x
  3. Step 3: Cross multiply
    26,354.16x = 36,365.76 × 15,739.92
  4. Step 4: Simplify right side
    26,354.16x = 572,394,153.14
  5. Step 5: Solve for x
    x = 572,394,153.14/26,354.16
  6. Step 6: Final answer
    x = 21,719.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.